Colgú mac Faílbe Flaind

Colgú mac Faílbe Flaind (died 678) was a King of Munster from the Eóganacht Chaisil branch of the Eoganachta. He was the son of Faílbe Flann mac Áedo Duib (d.639), a previous king. He succeeded Cathal Cú-cen-máthair mac Cathail as king in 665. The annals mention no details of his reign. His known son was named Nad Froích.

He is also a prominent character in the Sister Fidelma mystery series written by Peter Tremayne.